Sodium Erythorbate

    • Product Name: Sodium Erythorbate
    • Chemical Name (IUPAC): Sodium (2R)-2-[(1R)-1,2-dihydroxyethyl]-3-hydroxy-4-oxo-butanoate
    • CAS No.: 6381-77-7
    • Chemical Formula: C6H7NaO6
    • Form/Physical State: Solid
    • Factroy Site: Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Anhui Liwei Chemical Co.,Limited
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    Specifications

    HS Code

    778866

    Chemical Name Sodium Erythorbate
    Chemical Formula C6H7NaO6
    Molar Mass 198.11 g/mol
    Appearance White to yellowish crystalline powder
    Solubility In Water Very soluble
    Melting Point Started to decompose at 220°C
    Taste Slightly salty, acidic
    Main Use Antioxidant and preservative in foods
    E Number E316
    Cas Number 6381-77-7
    Odor Odorless
    Stability Stable under recommended storage conditions

    As an accredited Sodium Erythorbate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sodium Erythorbate is typically packaged in 25 kg multi-layered kraft paper bags with inner polyethylene liners for moisture protection.
    Container Loading (20′ FCL) Sodium Erythorbate is shipped in a 20′ FCL, typically packed in 25kg bags, totaling about 18–20 metric tons per container.
    Shipping Sodium Erythorbate is typically shipped in tightly sealed, food-grade bags or fiber drums to protect it from moisture and contamination. Packages are labeled according to local and international regulations. It should be stored and transported in a cool, dry place, away from direct sunlight and incompatible substances to maintain product quality.
    Storage Sodium erythorbate should be stored in a cool, dry, and well-ventilated area, away from moisture, heat sources, and direct sunlight. Keep the container tightly closed and properly labeled. Avoid contact with strong oxidizers and acids. Use non-reactive containers, such as those made of plastic or glass. Store at ambient temperatures and protect from contamination to maintain its stability and efficacy.
    Shelf Life Sodium Erythorbate shelf life is typically 24 months when stored in a cool, dry place in tightly sealed containers.
    Application of Sodium Erythorbate

    Applications of Sodium Erythorbate in Industrial Manufacturing

    As an established producer of sodium erythorbate with deep roots in industrial manufacturing, we provide this specialized antioxidant ingredient across several critical downstream sectors. Each application benefits from its unique reducing properties, supporting regulatory compliance, precise formulation, and efficient production management for demanding global markets. Below we outline verified, industrial-scale use scenarios with corresponding compliance benchmarks, recommended addition rates, workflow integration points, and end product profiles.

    1. Meat Processing and Curing

    Sodium erythorbate has become foundational in commercial meat curing and processing plants, helping stabilize color retention and optimize nitrite curing reactions. This reduces residual nitrite levels and assures appealing appearance and extended shelf life in cooked or cured products. Injection brines, tumbling, and massaging steps rely on predictable antioxidant effects for consistent output, particularly in high-throughput environments handling hams, sausages, and deli meats.

    Industry compliance standards

    • Codex Alimentarius General Standard for Food Additives (GSFA)
    • USDA FSIS Directive 7120.1 (Safe and Suitable Ingredients Used in the Production of Meat, Poultry, and Egg Products)
    • EU Commission Regulation (EC) No 1333/2008 (Additives in Foodstuffs)
    • Chinese GB 2760 Food Safety National Standards for Use of Food Additives

    Typical usage ratio

    • 300–550 mg/kg of finished meat product, adjusted by curing method, meat type, and regional regulatory limits

    Downstream process integration

    • Dissolve with salt and curing solutions prior to mixing with meats; commonly introduced at brining, massaging, tumbling, or injection stages, before thermal processing

    Final product types

    • Cured pork (ham, bacon)
    • Frankfurters, bologna, and other emulsified sausages
    • Beef corned beef, pastrami, and cooked roast beef
    • Poultry rolls and restructured meat products

    2. Beverage Industry (Bottled and Canned)

    Major non-alcoholic and fruit beverage manufacturers add sodium erythorbate to prevent oxidative discoloration and loss of ascorbic acid, especially in orange juices, energy drinks, and carbonated soft drinks. By controlling oxidative reactions, beverage producers achieve longer shelf life and maintain flavor profiles during storage and distribution, even in PET bottles and metal packaging exposed to air and light over prolonged periods.

    Industry compliance standards

    • Codex Alimentarius GSFA (category 14.1.3, Ready-to-drink Beverages)
    • FDA 21 CFR §182.3041 (Affirmed as GRAS for specific food categories)
    • EU Regulation (EC) No 1333/2008 (Annex II: List of Food Additives)
    • Japanese Food Additive Standards

    Typical usage ratio

    • 50–200 mg/L in beverages, optimized based on juice/titrable acidity, vitamin C content, and packaging method

    Downstream process integration

    • Added in-line to blending tanks immediately before pasteurization, carbonation, or filling, ensuring rapid dispersion and prevention of pre-mature oxidation during storage

    Final product types

    • Bottled fruit juices (orange, apple, mixed blends)
    • Carbonated soft drinks and flavored waters
    • Sports and functional beverages with vitamin C or iron fortification
    • Canned iced teas and ready-to-drink coffee beverages

    3. Canned and Preserved Fruits/Vegetables

    Large-scale canneries and food preservation factories incorporate sodium erythorbate to inhibit browning and retain visual quality in high-acid and low-acid foods during thermal sterilization. Its use safeguards pigment integrity and flavor by reducing oxidation risk, even after retorting or extensive hot-filling. Operators select addition points and ratios based on fruit type and anticipated storage time.

    Industry compliance standards

    • Codex Alimentarius GSFA (Food Category 04.1.2: Processed Fruits and Vegetables)
    • FDA 21 CFR §182.3041
    • EU Regulation (EC) No 1333/2008
    • Australian Food Standards Code 1.3.1: “Food Additives”

    Typical usage ratio

    • 150–350 mg/kg, adjusted according to product pH, fruit/vegetable type and storage time

    Downstream process integration

    • Mixed into syrup or brine solution prior to filling; in some lines, dosed directly into can or jar immediately before closing and thermal processing (retorting, pasteurization)

    Final product types

    • Canned fruit (peaches, pears, pineapples)
    • Preserved tomato products and salsas
    • Canned mushrooms and pickles
    • Ready meals containing vegetable components

    4. Industrial Bakery Premixes and Doughs

    Commercial bakeries utilize sodium erythorbate as a dough conditioner and flour improver to promote rapid dough development and consistent structure in automated lines for sandwich breads and burger buns. The ingredient enables improved gluten network formation at lower mixing times, supporting higher-speed continuous mixing and reducing mechanical load on equipment. Operators adjust dosages for specific flour strengths and desired crumb characteristics.

    Industry compliance standards

    • Codex Alimentarius GSFA (Category 06.4: Bread and Ordinary Bakery Products)
    • FDA 21 CFR §184.1733 (Direct Food Substances Affirmed as Generally Recognized as Safe)
    • EU Specification for Food Additive E316
    • Indian FSSAI Regulations for Bakery Additives

    Typical usage ratio

    • 20–60 mg/kg flour, based on flour protein, mixing speed, and final product specification

    Downstream process integration

    • Dry blended in premixes or directly in flour prior to hydration; functions during initial mixing phase in high-output dough systems

    Final product types

    • Sandwich breads
    • Hamburger and hotdog buns
    • Soft rolls
    • Pre-mixed bakery ingredient blends for industrial clients

    5. Food-Grade Ascorbate Production and Vitamin C Derivatives

    Producers of pharmaceutical and nutritional ascorbate salts, as well as vitamin C blend manufacturers, use sodium erythorbate as a mild reducing agent during synthesis and purification steps. It enables controlled conversion processes and acts as a protective antioxidant during blending, drying, and storage, particularly within high-purity and GMP-certified environments.

    Industry compliance standards

    • USP/NF monographs for pharmaceutical excipients
    • EP (European Pharmacopoeia) standards for Vitamin C derivatives
    • China Pharmacopoeia (ChP) antioxidant excipient entry
    • ICH Q7A (Good Manufacturing Practice for Active Pharmaceutical Ingredients)

    Typical usage ratio

    • Proportional addition: 0.1%–0.5% of batch weight, depending on target reduction, oxidation risk, and solvent exposure during process

    Downstream process integration

    • Added during purification, recrystallization, or blending with ascorbic acid or its salts; used to maintain reduced state in both solid formulation and liquid blending prior to drying or tableting

    Final product types

    • Sodium ascorbate bulk API
    • Vitamin C-complexed food supplements
    • Effervescent ascorbic acid granulates
    • Vitamin premix systems for food fortification

    6. Ready-to-Eat Seafood and Surimi Processing

    Major processors of RTE seafood and surimi rely on sodium erythorbate to maintain appealing color and minimize oxidative off-flavors in fish paste products. Plants integrate it during surimi blending, prior to pasteurization, and in flavor-shaping steps for crab sticks, fish balls, or imitation shrimp. It is essential for long shelf life and regulatory adherence in vacuum-packed export goods and pre-cooked meal kits.

    Industry compliance standards

    • Codex Alimentarius GSFA (Food Category 09.2: Processed Fish and Fish Products)
    • Japanese Food Sanitation Law (Shokuhin Eisei Ho) for Preservatives and Antioxidants
    • Korean Food Additives Code
    • FAO/WHO Joint Expert Committee on Food Additives guidance

    Typical usage ratio

    • 100–300 mg/kg, adjusted depending on fish species, fat content, and storage duration

    Downstream process integration

    • Blended into surimi or minced seafood with cryoprotectants and binders before extrusion or forming; sometimes dosed into flavor gels applied post-forming

    Final product types

    • Crab-flavored sticks (kani kamaboko)
    • Fish balls and seafood pastes
    • Pre-cooked seafood salads for retail and foodservice
    • Vacuum-packed seafood snacks for export

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    Certification & Compliance
    More Introduction

    Sodium Erythorbate: A Reliable Ingredient Built on Chemistry Experience

    An Introduction from the Manufacturing Floor

    Every batch of Sodium Erythorbate leaving our plant stands as proof of what focused chemical process control can accomplish. Speaking as the manufacturer, we care about every stage, not just the raw input or the shipping drum. From day-to-day, workers and engineers at our facility check purity and moisture closely—there is no mystery to why food processors, cured meat producers, and beverage companies choose Sodium Erythorbate. At its core, this ingredient offers steady antioxidant support, letting products stay fresher without unwanted color shifts or off-flavors.

    What We Produce: Models and Options

    Sodium Erythorbate has a clear chemical identity: the sodium salt of erythorbic acid, a stereoisomer of ascorbic acid. Our most common offering meets food-grade standards, featuring a refined crystalline white powder with typical particle size passing through a 30-80 mesh sieve. Moisture stays well under commonly accepted limits—usually under 0.2%—because shelf life and easy handling depend on taking the drying step seriously. For those requesting specific solubility or dispersion, refined processes allow us to deliver either finer or coarser grades without clumping or dust.

    Some customers require a highly compacted granule to minimize dust on high-speed lines; others want extra-fine for syrup solutions. The flexibility to manufacture differently comes directly from years operating at scale, not from off-the-shelf trading. We adjust the setting and purification approach to fit end use, always focusing on product stability and performance.

    Why It Matters: Function and Reliability

    Looking at how Sodium Erythorbate performs, its antioxidant properties act as a powerful bulwark against oxidation. Meat processors see the effect clearly: it shortens the curing time for sausages and deli meats, locking in the right color while limiting formation of harmful nitrosamines. Bakeries use it to maintain dough quality, and beverage plants depend on the ingredient to help keep taste and color stable, especially in citrus-based and fruit-flavored products. Many of the world’s leading food brands want reduced wastage, and the ability to keep products looking lively across transportation and storage gives direct value.

    In recent decades, science has shown that the sodium salt form, compared to raw erythorbic acid or even ascorbic acid, brings essential practical advantages. Sodium Erythorbate dissolves faster, less prone to caking, and produces fewer handling issues under humid conditions. It stands up to pH swings, especially in mildly acidic or neutral foods, keeping its antioxidant punch where it counts. No theoretical benefit stands in for the practical reality—plants that run 24/7 need ingredients that won’t jam feeders or force a recall from underperformance. Our technical support has seen firsthand where cheap or unstable batches have let down processors with inferior performance. Consistency—backed by real batch records—becomes the best guarantee.

    Comparing Against Other Antioxidants and Additives

    Some compare Sodium Erythorbate to ascorbic acid, sodium ascorbate, or even basic ascorbate salts. Chemically, erythorbic acid and ascorbic acid differ only in the placement of a single hydroxyl group. Yet, this difference shapes food interaction and shelf stability. Ascorbic acid might win the case for vitamin C enrichment, but Sodium Erythorbate shows greater resistance to oxidation and, thus, longer functional effectiveness in cured meats and other processed foods.

    Sodium ascorbate, a close competitor, can sometimes edge in for specific applications due to its higher reduction potential. Food technologists know that both can deliver antioxidant effects, but Sodium Erythorbate may offer lower cost and steadier supply. With ascorbic acid, a stronger taste and a yellowing risk at higher temperatures may become problematic in sensitive process lines. Our ongoing collaborations with customers in the food sector reveal these challenges not as textbook issues but as real production headaches.

    Some processors still experiment with natural alternatives like rosemary extract or tocopherols. For highly standardized mass production, those options contain their own hurdles—availability, cost, varying levels of active ingredients per batch. By contrast, Sodium Erythorbate gives a simpler calculation. Plant managers appreciate knowing exactly how much functional ingredient they get every delivery.

    Real Production Value: What Our Experience Shows

    Years running large reactors and vacuum dryers don’t just teach you chemistry; they expose all the headaches poor ingredient control can cause. On the floor, just one impurity spike can spoil tons of product down the line. Our quality team invests in upstream testing of raw erythorbic acid before sodium conversion, followed by repeated downstream checks. Real manufacturing isn’t about theoretical purity—it’s about not letting process drift, moisture absorption, or packing errors creep into finished product.

    By controlling every tank, drier, sifter, and filling line, we rule out cross-contamination, whether from trace metals or other ingredients made on parallel lines. Over time, we’ve reduced batch failure rates by refining the method for sodium salt addition and granulation. Our technicians see directly how precise temperature and pH targets lock in crystal structure, making for a powder that flows without clumping. That commitment translates to what customers can expect in their own plants: no unexpected downtime, no last-minute reformulations, just the reliable performance promised by the spec sheet but realized through real-world oversight.

    Meeting Modern Food Standards Without Compromise

    More regulatory bodies scrutinize food ingredients every year, from nutrition panels to permitted additive lists. Demonstrating compliance demands more than just lab tests. We have seen regulatory audits climb in frequency and detail, with inspectors looking beyond numbers—they check process records, onsite sanitation practices, training certificates, supply chain transparency, and even energy consumption. Our job as manufacturers isn’t just to clear the benchmark of, say, Codex Alimentarius or FDA standards. Every batch we release must offer the traceability and confidence that brands demand if they want to stand up to consumer scrutiny.

    Manufacturing under rigorous food safety plans means real investment in clean-in-place systems, digital batch traceability, and, crucially, staff who understand not just “how” to make Sodium Erythorbate but why every step matters. Every production stop for parameter checking delays shipment—but rushing would put decades of company reputation at risk. Taking pride in this standard provides real value to food companies seeking not only chemical performance but peace of mind for their own process audits.

    Reducing Supply Chain Gaps and Ensuring Continuity

    Few discussions matter more to industrial buyers than continuity of supply. We’ve experienced seasons when raw material availability tightened or global logistics snarled, and nothing shakes confidence like the threat of a stalled line. As a primary manufacturer, we build security by contracting directly for starting materials, maintaining supplier qualification lists, and—where necessary—holding extra buffer stock. Communication with buyers means more than just quoting a lead time; it’s about warning early of shipping disruptions, adjusting schedules collaboratively, and understanding how ingredient shortages ripple into lost time and revenue on the customer end.

    Sometimes new applications stretch the bounds of established sodium erythorbate usage—think plant-based meats, fresh-cut produce, or low-salt processed foods. Through in-house pilot trials, we’ve explored how pH, salt, and water content can tweak antioxidant performance. The knowledge comes straight from our own test kitchen and bench chemists, not just literature review. Being transparent about limitations and successes helps our customers scale new products safely, without over-promising what a good antioxidant can do.

    Practicalities: Handling, Storage, and Application

    Anyone handling sodium erythorbate regularly appreciates its stability, provided basic packaging and storage rules are followed. Moisture remains the chief adversary; though we use laminated, moisture-proof bags with one-way release valves, storage in a dry, cool area backs up those protections. With the right humidity controls, even long-stored product continues to pour well and dissolve consistently. Feedback from mixing rooms and dosing lines inspires packaging adjustments. For large installations, bulk totes and semi-automated feeding systems cut labor needs; for craft-scale producers, strong re-sealable bags help prevent waste.

    Missteps in feeder calibration or storage can cause spotty distribution and waste. We often consult directly with line operators, suggesting dosing strategies for even mixing in brine solutions or direct blend setups. No fancy automation replaces common sense: open the bag, stir well in the intended solution, check for full dispersion—then proceed. Problems encountered most often come from failing to account for water hardness, blending speed, or variable particle size from competitors’ inconsistent granulation.

    Industry Trends: Lowering Sodium, Natural Claims, and Labeling Clarity

    Over the past decade, sodium reduction efforts have multiplied, putting extra scrutiny on every additive. At the same time, processors want to claim “natural” or “preservative-free” on labels while keeping product safety and appearance. Sodium Erythorbate faces questions about synthetic origin. From first-hand meetings with R&D leaders, we’ve learned that education—explaining stereoisomer chemistry, showing safety data, pointing to regulatory approvals—helps buyers reassure their own brands and consumers. Despite not carrying a “natural” label in most markets, clear communication around functional value, safety, and proven record earns Sodium Erythorbate a respected spot in the toolbox of food preservation.

    Interest grows each year in sourcing ingredients derived from fermentation or from non-GMO corn. We have responded with specialty lines, still maintaining the core structural and functional attributes that keep the ingredient dependable in its traditional roles. There’s demand for batch-specific documentation, full allergen absence statements, and answers to questions about trace residues or pesticide-free status. Listening to what food buyers want has meant scaling batch analytics, updating certifications, and customizing shipping forms and documentation. Reliability in supply today depends on flexibility in manufacturing without sacrificing the proven performance expected from our mainstay product.

    Supporting Solutions in Curing, Beverage, and Snack Products

    Large meat processors often call out improved cure speed and higher pigment retention among the main benefits of Sodium Erythorbate. Taking these specifics from our own technical files, trials demonstrate reduced cooking losses, minimized gray rings in cut sections, and a marked cut in off-taste formation compared to other antioxidants. In beverage plants—especially sodas and fruit-based concentrates—our ingredient helps maintain sharp flavor and color, managing sensitive acidities that might otherwise degrade appearance or shelf-life. With rising demand for “uncured” or “nitrate-free” bacon and ham, Sodium Erythorbate often supports the flexible formulation needed to blend tradition and modern consumer demands.

    Snack manufacturers give feedback on shelf preservation and keeping flavoring oils stable. Our internal testing tracks lipid peroxidation rates, showing how our product delivers consistently in fried, packaged snacks and nut mixes. Each of these insights connects directly to the methods we use and the regular product improvement meetings between manufacturing and technical teams. This regular cycle of feedback means we’re never guessing about real-world impacts; we witness them with production partners in-product performance and shelf life outcomes.

    Sodium Erythorbate’s Role Beyond the Food Industry

    Though best known for food applications, Sodium Erythorbate also finds value in pharmaceuticals and personal care formulations. Its antioxidant effect holds up under the wide variety of pH, temperature, and solvent profiles these industries require. In personal care, especially, stability in aqueous solutions prevents unwanted color changes or oxidation of volatile fragrance components. As a manufacturer with lines dedicated to non-food uses, we see demand spike each year from R&D departments experimenting with new delivery systems and formulations, often looking for creative problem-solving that blends chemistry knowledge with large-scale plant capability.

    Through dedicated process lines and differentiated cleaning protocols, we manage cross-application risk and guarantee integrity for pharmaceutical or specialty cosmetic supply. These additional markets challenge us to keep documentation air-tight and to adapt older processes to new regulatory regimes—direct feedback from compliance teams shapes everything from bagging and palletizing protocols to long-term storage recommendations.

    Challenges and Continuous Improvement

    Nothing stands still in the chemical industry. Customer needs evolve, market standards climb, and raw material pressures grow more complex. We have learned that every improvement—however small—builds up over countless batches. Shifting to tighter moisture control, adding extra metal screening, or changing to more robust packaging doesn’t happen once; it comes through incremental feedback and a willingness to re-train line operators and keep up-to-date with the regulatory environment.

    Staying competitive means investing in not just hardware but also in the lab—enhanced chromatographic testing, third-party audits, and comparative performance trials. Fostering strong relationships with end users allows us to anticipate issues, identify new targets for process optimization, and handle difficult supply scenarios before they reach crisis level. Achieving consistent, transparent, and reliable manufacturing output doesn’t rest on a once-published specification; it grows from a continuous commitment to both science and hands-on production.

    Real-World Solutions Stem from Manufacturing Expertise

    Each time Sodium Erythorbate leaves our facility, we understand the trust being placed in our methods and oversight. This direct connection to both chemical processing and industry application enables us to offer not only a product but a piece of assurance—stocks won’t run out, batches won’t unexpectedly spoil, and technical support stands behind the product. The returns come not just as repeat orders, but in open conversations with food scientists, production managers, and purchasing leaders who share the same goal: achieving product quality, safety, and consumer satisfaction batch after batch.

    Drawing on the daily lessons from operating a modern, high-throughput plant, our commentary stands as more than brochure copy—it represents the lived experience of managing process complexity, regulatory scrutiny, and customer trust, each intertwined in the ongoing story of Sodium Erythorbate’s role in the modern ingredient landscape.